Basic Info.
Application
Industrial Ceramic, Electronic Ceramic
Thermal Conductivity
Min 24 W/Mk
Forming Method
Tape Casting
Transport Package
by Carton
Specification
A Pack Of 100 Piece, A Box 17-26kg
Product Description
The alumina substrates also possess several unique features:
- Good surface with high smoothness/flatness and less porosity
- High resistance to heat shock
- Low warpage and camber
- Stable in very high temperature and corrosive chemical
- Very stable breaking strength and shape/dimension variance
Applications:
Network resistor, Chip resistor, Chip resistor array, Thick-film hybrid IC, Thin-film hybrid IC, General isolator
Product Parameter Alumina Ceramic Substrate Material Property |
Item | Unit | 96% Al2O3 | 99.6% Al2O3 |
Mechanical Properties |
Color | / | / | White | Ivory |
Density | Drainage Method | g/cm3 | ≥3.70 | ≥3.95 |
Light Reflectivity | 400nm/1mm | % | 94 | 83 |
Flexural Strength | Three Point Bending | MPa | >350 | >500 |
Fracture Toughness | Indentation Method | MPa·m1/2 | 3 | 3 |
Vickers Hardness | Load 4.9N | GPa | 14 | 16 |
Young's Modulus | Stretching Method | GPa | 340 | 300 |
Water Absorption | | % | 0 | 0 |
Camber | / | Length ‰ | T≤0.3: ≤5‰, Others: ≤3‰ | ≤3‰ |
Thermal Properties |
Max. Service Temperature (non-loading) | / | ºC | 1200 | 1400 |
CTE (coefficient of thermal expansion) | 200-800ºC | 1×10-6/ºC | 7.8 | 7.9 |
Thermal Conductivity | 25ºC | W/m·K | >24 | >29 |
Thermal Shock Resistance | 800ºC | ≥10 Times | No Crack | No Crack |
Specific Heat | 25ºC | J/kg·k | 750 | 780 |
Electrical Properties |
Dielectric Constant | 25ºC, 1MHz | / | 9.4 | 9.8 |
Dielectric Loss Angle | 25ºC, 1MHz | ×10^-4 | ≤3 | ≤2 |
Volume Resistivity | 25ºC | Ω·cm | ≥10^14 | ≥10^14 |
Dielectric Strength | DC | KV/mm | ≥15 | ≥15 |
Alumina Ceramic Substrate Production Specifications |
99.6% Al2O3 |
Thickness (mm) | Maximum Size (mm) | Shape | Molding Technique |
As Fired | Lapped | Polished | Rectangular | Square | Round |
0.1-0.2 | | 50.8 | 50.8 | | √ | √ | Tape Casting |
0.25 | | 114.3 | 114.3 | | √ | | Tape Casting |
0.38 | 120 | 114.3 | 114.3 | | √ | | Tape Casting |
0.5 | 120 | 114.3 | 114.3 | | √ | | Tape Casting |
0.635 | 120 | 114.3 | 114.3 | | √ | | Tape Casting |
Other special thicknesses within the thickness range of 0.1-0.635mm can be achieved by lapping. |
96% Al2O3 |
Thickness (mm) | Maximum Size (mm) | Shape | Molding Technique |
As Fired | Lapped | Polished | Rectangular | Square | Round |
0.25 | 120 | 114.3 | 114.3 | | √ | | Tape Casting |
0.3 | 120 | 114.3 | 114.3 | | √ | | Tape Casting |
0.38 | 140×190 | | | √ | | | Tape Casting |
0.5 | 140×190 | | | √ | | | Tape Casting |
0.635 | 140×190 | | | √ | | | Tape Casting |
0.76 | 130×140 | | | √ | | | Tape Casting |
0.8 | 130×140 | | | √ | | | Tape Casting |
0.89 | 130×140 | | | √ | | | Tape Casting |
1 | 280×240 | | | √ | | | Tape Casting |
1.5 | 165×210 | | | √ | | | Tape Casting |
2 | 500×500 | | | √ | | | Tape Casting |
Other special thicknesses within the thickness range of 0.1-2.0mm can be achieved by lapping. |
Alumina Ceramic Substrate Product Tolerance |
Item | Substrate Thickness (mm) | Standard Tolerance (mm) | Best Tolerance (mm) | Laser Cutting Tolerance (mm) |
Length And Width Tolerance | / | ±2 | | ±0.15 |
Thickness Tolerance | T<0.3 | ±0.03 | ±0.01 | |
0.30-1.0 | ±0.05 | ±0.01 | |
T>1.0 | ±10% | ±0.01 | |
Alumina Ceramic Substrate Surface roughness |
Material | Surface Roughness (μm) |
As Fired | Lapped | Polished |
96% Al2O3 | Ra 0.2-0.75 | Ra 0.3-0.7 | Ra ≤0.05 |
99.6% Al2O3 | Ra 0.05-0.15 | Ra 0.1-0.5 | Ra ≤0.05 |
Inspection Of Bare Ceramic Substrates |
Test ltems | Inspection Tool | Inspection Standard |
Appearance | VisualInspection,Microscope | In accordance with the drawing |
Length And Width | Vernier Caliper |
Thickness | Thickness Gauge,Micrometer |
Camber | Digimatic lndicater |
Surface Roughness | Surface Roughness Meter |
Production Flow ChartProduct Application
Company ProfileCertification & Patent
Packaging & Warehouse FAQ(Frequently Asked Questions)Q1. Are you a factory or trading company?We are a professional ceramic substrate factory with a production capacity of 100 million pieces. All our products are ISO9001 and IATF certified.Q2. How can you get a quotation?A: Please send me your drawing with technical requirements and demand quantity. If you don't have the drawing, please kindly courier samples to us. Q3. How long is your delivery time?A: Generally, it takes 5-10 days if the goods are in stock. If customized, it takes around 30 days to dispatch. The package usually includes bubble wrap, a carton, a pallet, a wooden case, etc. Q4.Can the Size of the ceramic substrate be Customized?Yes, most alumina ceramic substrates are rectangular, square, or round. Our rectangular shapes for as-fired alumina ceramic substrates are available up to 190mm×138mm. We offer customized products for special requirements.Q5.What is the Minimum Thickness of the Alumina Ceramic Substrates?Our standard thickness: 0.2mm, 0.38mm, 0.50mm, 0.635mm, 0.76mm, 0.89mm, 1.0mm, 1.5mm and 2.0mm. Minimum thickness to be 0.1mm. Welcome to inquire about customized services.If your question is not listed here, please contact us for more information.
Address:
Southeast Corner of Intersection of Qinhuangtai 1st Road and East Outer Ring Road, Bincheng District, Binzhou, Shandong, China
Business Type:
Manufacturer/Factory
Business Range:
Consumer Electronics, Electrical & Electronics, Lights & Lighting
Management System Certification:
ISO 9001, ISO 14001, IATF16949
Company Introduction:
Binzhou Aonuo New Material Technology Co., Ltd. Established its first company in Zibo on June 7, 2017, with a registered capital of 30 million. The company is committed to the development of the precision electronic ceramic substrate industry at home and abroad. It has new ceramic materials, powder preparation technology, a variety of advanced molding technologies, and high-temperature ceramic kiln sintering technology, which can meet the electronic functional parts and new functional materials required by various industries. Production applications, high-tech products have been expanded to mobile phones, electronics, electrical engineering, communications, machinery, environmental protection, new energy, biology and other application fields.
After years of technological accumulation and innovation, the company′s high-tech products have formed a multi-category product structure dominated by ceramic components, alumina ceramic substrates, LED filaments, ceramic substrates for resistors, etc.
In order to subsequently adjust the product structure, Aonuo New Material Technology Co., Ltd. Established a second company in Binzhou on March 27, 2020, with a registered capital of 20 million. In addition to expanding the output demand of alumina ceramic substrates, it will also increase production in the future. Great efforts in R&D and production of aluminum nitride and silicon nitride;